darkcomet | cef0d7a727b5e1381a90e3f9357dac9d682eb0a35df0dd7dc14ea826840ecf59

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 22:47

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General

Target

f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe
Size

755KB
MD5

f11388dce0534800c510bd20552ced8c
SHA1

327b2cf08ed60648482fba93da189cd27d07c2b8
SHA256

cef0d7a727b5e1381a90e3f9357dac9d682eb0a35df0dd7dc14ea826840ecf59
SHA512

66c0d02cbe5eabe34eec7807e438c211c33f63f739e036a18f93203bfdd967bd1653544757ff7f5cfb3a3925b887997318592cc5c9ffdb0307b1c8b3630c2e83
SSDEEP

12288:n/niCwni7ped1WRmo4B25bQnOatMAmE4jet843A/yYe4kjxd6JVJRV70zwfK0v:n/nili25o4B2BQnOatMNE4jee43djn6z

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Loads dropped DLL 1 IoCs

pid	Process
4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4068 set thread context of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2012	3428	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85
PID 4068 wrote to memory of 3428	4068	f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Users\Admin\AppData\Local\Temp\f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f11388dce0534800c510bd20552ced8c_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  PID:3428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 332
    3⤵
    - Program crash
    PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3428 -ip 3428
1⤵
PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\j7Mj8L866.txt

Filesize
2KB

MD5
7392a6f729a53254a354afd5305bcf6c

SHA1
38a1856419dfc4e087255a5ca4b91918bf841477

SHA256
d2687673a1c1cb9ca738034114684645f1d8e0c16aab5127fbb132d57e5c7e5d

SHA512
aa8f956fff96aa86b9b80349e45557f0ae3766b8db2ce9b7b39bd7b9c33978cf83800b9fa7c0174832a7f85b80c8ff02a501208896a75a23a69519f57ec534fe

Download Submit
memory/3428-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3428-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3428-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download